NSN (3020000739971) – NSN 3020-00-073-9971 Parts List

Item Name Gear Antibacklash Spur
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN) 00-073-9971 (000739971)
NCB Code USA (00)
Manufacturer General Dynamics Advanced, Secs Inc, Designatronics Incorporated
Part Number Manufacturer Item Name Cage Code RFQ
75-802985-1 general dynamics advanced gear antibacklash spur 07397 RFQ
ABP6-90 secs inc gear antibacklash spur 23266 RFQ
Z6L90 designatronics incorporated gear antibacklash spur 00328 RFQ

Technical Characteristics of NSN 3020000739971

MRCCriteriaCharacteristic
AGJSPITCH DIAMETER2.8115 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM
AJLATEETH QUANTITY90
ANTPBORE STYLEPLAIN BOTH ENDS
CWCDNOMINAL OUTSIDE DIAMETER2.784 INCHES
CWNHTOOTH FORMSTANDARD
CWPPPRESSURE ANGLE20.0000 DEGREES
CWQLNOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.402 INCHES FIRST END
CWRMFACE NOMINAL WIDTH0.188 INCHES
CWRSBORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
CWTRHUB STYLE DESIGNATORPINNED FIRST END
CWTXHUB NOMINAL DIAMETER0.437 INCHES FIRST END
MATTMATERIALSTEEL COMP 303 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
STYLSTYLE DESIGNATORPROTRUDING HUB

Relevant Components for NSN - 3020-00-073-9971, 3020000739971
3040-01-667-4951 (3040016674951) 3040-01-189-3254 (3040011893254) 3020-00-517-5104 (3020005175104) 3040-01-352-4546 (3040013524546)
3040-00-318-1738 (3040003181738) 3040-00-972-7108 (3040009727108) 3020-00-701-6905 (3020007016905) 3040-00-406-3872 (3040004063872)
3040-01-512-0682 (3040015120682) 3040-01-260-0598 (3040012600598) 3010-01-067-2319 (3010010672319) 3040-01-203-4245 (3040012034245)

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